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Radiant|Natural|GIA

1.50ct J SI2 Radiant Natural Diamond

ID • J/SI2 • GIA 7493594555

Certificate GIA 7493594555

Diamond specifications and retailer prices

From $5,840 AUD
$4,102 USD
As of October 31, 2026
Save $7,292 AUD (56%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $13,131 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural radiant diamond

This 1.5ct natural radiant sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7493594555. Listed at 17 retailers as of October 30, 2026, with prices from $5,840 to $13,131, a $7,292 spread on the same certified stone. NZ Jewellers lists it at $13,131. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
J
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7493594555
Dimensions7.83 × 6.01 × 4.17 mm
L/W Ratio1.30
Cert comments
Clarity grade is based on clouds that are not shown.
Top View
7.83 mm6.01 mm1.50 ctJ / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7493594555
Side View
Table 68.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 69.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $13,131 AUD|Low: $5,840 AUD|High: $13,131 AUD|Avg: $8,255 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 5$5,840 AUD
Retailer 8$6,279 AUD
Retailer 3$6,566 AUD
Retailer 10$7,112 AUD
Retailer 11$7,112 AUD
Retailer 13$7,112 AUD
Retailer 4$7,482 AUD
Retailer 7$7,660 AUD
Retailer 2$7,762 AUD
Retailer 12$8,207 AUD
Retailer 9$8,886 AUD
Retailer 6$12,504 AUD
NZ Jewellers$13,131 AUD

43 data points across 13 retailers

17 retailers$5,840 AUD to $13,131 AUD

B+
Cheapest Retailer
-
$5,840 AUD
$4,102 USD
B+
Retailer 2
-
$6,203 AUD
$4,357 USD
View
B+
Retailer 3
-
$6,279 AUD
$4,410 USD
View
B+
Retailer 4
-
$6,566 AUD
$4,612 USD
View
Final sale: no returns
B+
Retailer 5
-
$6,620 AUD
$4,650 USD
View
B
Retailer 6
-
$7,047 AUD
$4,950 USD
View
B
Retailer 7
-
$7,112 AUD
$4,996 USD
View
B
Retailer 8
-
$7,112 AUD
$4,996 USD
View
B
Retailer 9
-
$7,112 AUD
$4,996 USD
View
B
Retailer 10
-
$7,482 AUD
$5,256 USD
View
B+
Retailer 11
-
$7,660 AUD
£4,237 GBP
View
B+
Retailer 12
-
$7,762 AUD
£4,293 GBP
View
B
Retailer 13
-
$8,207 AUD
$5,765 USD
View
Retailer 14
-
$8,661 AUD
$6,084 USD
View
Price last confirmed 9 days ago
B
Retailer 15
-
$8,886 AUD
€5,945 EUR
View
B
Retailer 16
-
$12,504 AUD
£6,916 GBP
View
Most Expensive
B
NZ Jewellers
d06af083-f6b2-4c4f-9501-ef482687458c · Oct 30
$13,131 AUD
$9,224 USD
View
16 more retailers have this diamond
Prices start from $5,840 AUDSave up to $7,292 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
1.50ct Radiant
$5,840 AUD